Make sure when you open a support ticket that you reference this thread so the support team can see the background. Please post the contents of your deploy/cluster-service.xml file. Your farming issue for sure sounds like a communication issue; i.e. lost messages, lots of retries. Not bad enough that the cluster falls apart, but bad enough that RPCs around the cluster take forever. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4203372#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...